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[hcoop/domtool2.git] / src / plugins / apache.sml
1 (* HCoop Domtool (http://hcoop.sourceforge.net/)
2 * Copyright (c) 2006-2009, Adam Chlipala
3 * Copyright (c) 2013 Clinton Ebadi
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 *)
19
20 (* Apache HTTPD handling *)
21
22 structure Apache :> APACHE = struct
23
24 open Ast
25
26 val dl = ErrorMsg.dummyLoc
27
28 fun webNode node =
29 List.exists (fn (x, _) => x = node) Config.Apache.webNodes_all
30 orelse (Domain.hasPriv "www"
31 andalso List.exists (fn (x, _) => x = node) Config.Apache.webNodes_admin)
32
33 val _ = Env.type_one "web_node"
34 Env.string
35 webNode
36
37 val _ = Env.registerFunction ("web_node_to_node",
38 fn [e] => SOME e
39 | _ => NONE)
40
41 fun webPlace (EApp ((EVar "web_place_default", _), (EString node, _)), _) =
42 SOME (node, Domain.nodeIp node)
43 | webPlace (EApp ((EApp ((EVar "web_place", _), (EString node, _)), _), (EString ip, _)), _) =
44 SOME (node, ip)
45 | webPlace _ = NONE
46
47 fun webPlaceDefault node = (EApp ((EVar "web_place_default", dl), (EString node, dl)), dl)
48
49 val _ = Env.registerFunction ("web_place_to_web_node",
50 fn [e] => Option.map (fn (node, _) => (EString node, dl)) (webPlace e)
51 | _ => NONE)
52
53 val _ = Env.registerFunction ("web_place_to_node",
54 fn [e] => Option.map (fn (node, _) => (EString node, dl)) (webPlace e)
55 | _ => NONE)
56
57 val _ = Env.registerFunction ("web_place_to_ip",
58 fn [e] => Option.map (fn (_, ip) => (EString ip, dl)) (webPlace e)
59 | _ => NONE)
60
61 val _ = Env.type_one "proxy_port"
62 Env.int
63 (fn n => n > 1024)
64
65 fun validProxyTarget default s =
66 case String.fields (fn ch => ch = #":") s of
67 "http" :: host :: rest =>
68 let
69 val rest = String.concatWith ":" rest
70 in
71 if List.exists (fn h' => host = h') (map (fn h => String.concat ["//", h]) Config.Apache.proxyHosts)
72 then
73 CharVector.all (fn ch => Char.isPrint ch andalso not (Char.isSpace ch)
74 andalso ch <> #"\"" andalso ch <> #"'") rest
75 andalso case String.fields (fn ch => ch = #"/") rest of
76 port :: _ =>
77 (case Int.fromString port of
78 NONE => default s
79 | SOME n => n > 1024 orelse default s)
80 | _ => default s
81 else
82 default s
83 end
84 | _ => default s
85
86 val _ = Env.type_one "proxy_target"
87 Env.string
88 (validProxyTarget (fn s => List.exists (fn s' => s = s') (Config.Apache.proxyTargets @ ["!"])))
89
90 val _ = Env.type_one "proxy_reverse_target"
91 Env.string
92 (validProxyTarget (fn s => List.exists (fn s' => s = s') Config.Apache.proxyTargets))
93
94 val _ = Env.type_one "rewrite_arg"
95 Env.string
96 (CharVector.all Char.isAlphaNum)
97
98 val _ = Env.type_one "suexec_flag"
99 Env.bool
100 (fn b => b orelse Domain.hasPriv "www")
101
102 val _ = Env.type_one "regexp"
103 Env.string
104 Pcre.validRegexp
105
106 fun validLocation s =
107 size s > 0 andalso size s < 1000 andalso CharVector.all
108 (fn ch => Char.isAlphaNum ch
109 orelse ch = #"-"
110 orelse ch = #"_"
111 orelse ch = #"."
112 orelse ch = #"/"
113 orelse ch = #"~") s
114
115 val _ = Env.type_one "location"
116 Env.string
117 validLocation
118
119 fun validCert s = Acl.query {user = Domain.getUser (),
120 class = "cert",
121 value = s}
122
123 fun validCaCert s = Acl.query {user = Domain.getUser (),
124 class = "cacert",
125 value = s}
126
127 val _ = Env.type_one "ssl_cert_path"
128 Env.string
129 validCert
130
131 val _ = Env.type_one "ssl_cacert_path"
132 Env.string
133 validCaCert
134
135 fun ssl e = case e of
136 (EVar "no_ssl", _) => SOME NONE
137 | (EApp ((EVar "use_cert", _), s), _) => Option.map SOME (Env.string s)
138 | _ => NONE
139
140 fun validExtension s =
141 size s > 0
142 andalso size s < 20
143 andalso CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"_") s
144
145 val _ = Env.type_one "file_extension"
146 Env.string
147 validExtension
148
149 val _ = Env.registerFunction ("defaultServerAdmin",
150 fn [] => SOME (EString (Domain.getUser () ^ "@" ^ Config.defaultDomain), dl)
151 | _ => NONE)
152
153 val redirect_code = fn (EVar "temp", _) => SOME "temp"
154 | (EVar "permanent", _) => SOME "permanent"
155 | (EVar "seeother", _) => SOME "seeother"
156 | (EVar "redir300", _) => SOME "300"
157 | (EVar "redir301", _) => SOME "301"
158 | (EVar "redir302", _) => SOME "302"
159 | (EVar "redir303", _) => SOME "303"
160 | (EVar "redir304", _) => SOME "304"
161 | (EVar "redir305", _) => SOME "305"
162 | (EVar "redir307", _) => SOME "307"
163 | (EVar "notfound", _) => SOME "404"
164 | _ => NONE
165
166 val flag = fn (EVar "redirect", _) => SOME "R"
167 | (EVar "forbidden", _) => SOME "F"
168 | (EVar "gone", _) => SOME "G"
169 | (EVar "last", _) => SOME "L"
170 | (EVar "chain", _) => SOME "C"
171 | (EVar "nosubreq", _) => SOME "NS"
172 | (EVar "nocase", _) => SOME "NC"
173 | (EVar "qsappend", _) => SOME "QSA"
174 | (EVar "noescape", _) => SOME "NE"
175 | (EVar "passthrough", _) => SOME "PT"
176 | (EApp ((EVar "mimeType", _), e), _) =>
177 Option.map (fn s => "T=" ^ s) (Env.string e)
178 | (EApp ((EVar "redirectWith", _), e), _) =>
179 Option.map (fn s => "R=" ^ s) (redirect_code e)
180 | (EApp ((EVar "skip", _), e), _) =>
181 Option.map (fn n => "S=" ^ Int.toString n) (Env.int e)
182 | (EApp ((EApp ((EVar "env", _), e1), _), e2), _) =>
183 (case Env.string e1 of
184 NONE => NONE
185 | SOME s1 => Option.map (fn s2 => "E=" ^ s1 ^ ":" ^ s2)
186 (Env.string e2))
187
188 | _ => NONE
189
190 val cond_flag = fn (EVar "cond_nocase", _) => SOME "NC"
191 | (EVar "ornext", _) => SOME "OR"
192 | _ => NONE
193
194 val apache_option = fn (EVar "execCGI", _) => SOME "ExecCGI"
195 | (EVar "includesNOEXEC", _) => SOME "IncludesNOEXEC"
196 | (EVar "indexes", _) => SOME "Indexes"
197 | (EVar "followSymLinks", _) => SOME "FollowSymLinks"
198 | (EVar "multiViews", _) => SOME "MultiViews"
199 | _ => NONE
200
201 val autoindex_width = fn (EVar "autofit", _) => SOME "*"
202 | (EApp ((EVar "characters", _), n), _) =>
203 Option.map Int.toString (Env.int n)
204 | _ => NONE
205
206 val autoindex_option = fn (EApp ((EVar "descriptionWidth", _), w), _) =>
207 Option.map (fn w => ("DescriptionWidth", SOME w))
208 (autoindex_width w)
209 | (EVar "fancyIndexing", _) => SOME ("FancyIndexing", NONE)
210 | (EVar "foldersFirst", _) => SOME ("FoldersFirst", NONE)
211 | (EVar "htmlTable", _) => SOME ("HTMLTable", NONE)
212 | (EVar "iconsAreLinks", _) => SOME ("IconsAreLinks", NONE)
213 | (EApp ((EVar "iconHeight", _), n), _) =>
214 Option.map (fn w => ("IconHeight", SOME (Int.toString w)))
215 (Env.int n)
216 | (EApp ((EVar "iconWidth", _), n), _) =>
217 Option.map (fn w => ("IconWidth", SOME (Int.toString w)))
218 (Env.int n)
219 | (EVar "ignoreCase", _) => SOME ("IgnoreCase", NONE)
220 | (EVar "ignoreClient", _) => SOME ("IgnoreClient", NONE)
221 | (EApp ((EVar "nameWidth", _), w), _) =>
222 Option.map (fn w => ("NameWidth", SOME w))
223 (autoindex_width w)
224 | (EVar "scanHtmlTitles", _) => SOME ("ScanHTMLTitles", NONE)
225 | (EVar "suppressColumnSorting", _) => SOME ("SuppressColumnSorting", NONE)
226 | (EVar "suppressDescription", _) => SOME ("SuppressDescription", NONE)
227 | (EVar "suppressHtmlPreamble", _) => SOME ("SuppressHTMLPreamble", NONE)
228 | (EVar "suppressIcon", _) => SOME ("SuppressIcon", NONE)
229 | (EVar "suppressLastModified", _) => SOME ("SuppressLastModified", NONE)
230 | (EVar "suppressRules", _) => SOME ("SuppressRules", NONE)
231 | (EVar "suppressSize", _) => SOME ("SuppressSize", NONE)
232 | (EVar "trackModified", _) => SOME ("TrackModified", NONE)
233 | (EVar "versionSort", _) => SOME ("VersionSort", NONE)
234 | (EVar "xhtml", _) => SOME ("XHTML", NONE)
235
236 | _ => NONE
237
238 val interval_base = fn (EVar "access", _) => SOME "access"
239 | (EVar "modification", _) => SOME "modification"
240 | _ => NONE
241
242 val interval = fn (EVar "years", _) => SOME "years"
243 | (EVar "months", _) => SOME "months"
244 | (EVar "weeks", _) => SOME "weeks"
245 | (EVar "days", _) => SOME "days"
246 | (EVar "hours", _) => SOME "hours"
247 | (EVar "minutes", _) => SOME "minutes"
248 | (EVar "seconds", _) => SOME "seconds"
249 | _ => NONE
250
251 val vhostsChanged = ref false
252 val logDeleted = ref false
253 val delayedLogMoves = ref (fn () => ())
254
255 val () = Slave.registerPreHandler
256 (fn () => (vhostsChanged := false;
257 logDeleted := false;
258 delayedLogMoves := (fn () => print "Executing delayed log moves/deletes.\n")))
259
260 fun findVhostUser fname =
261 let
262 val inf = TextIO.openIn fname
263
264 fun loop () =
265 case TextIO.inputLine inf of
266 NONE => NONE
267 | SOME line =>
268 if String.isPrefix "# Owner: " line then
269 case String.tokens Char.isSpace line of
270 [_, _, user] => SOME user
271 | _ => NONE
272 else
273 loop ()
274 in
275 loop ()
276 before TextIO.closeIn inf
277 end handle _ => NONE
278
279 val webNodes_full = Config.Apache.webNodes_all @ Config.Apache.webNodes_admin
280
281 fun isVersion1 node =
282 List.exists (fn (n, {version = ConfigTypes.APACHE_1_3, ...}) => n = node
283 | _ => false) webNodes_full
284
285 fun imVersion1 () = isVersion1 (Slave.hostname ())
286
287 fun isWaklog node =
288 List.exists (fn (n, {auth = ConfigTypes.MOD_WAKLOG, ...}) => n = node
289 | _ => false) webNodes_full
290
291 fun down () = if imVersion1 () then Config.Apache.down1 else Config.Apache.down
292 fun undown () = if imVersion1 () then Config.Apache.undown1 else Config.Apache.undown
293 fun reload () = if imVersion1 () then Config.Apache.reload1 else Config.Apache.reload
294 fun fixperms () = if imVersion1 () then Config.Apache.fixperms1 else Config.Apache.fixperms
295
296 fun logDir {user, node, vhostId} =
297 String.concat [Config.Apache.logDirOf (isVersion1 node) user,
298 "/",
299 node,
300 "/",
301 vhostId]
302
303 fun realLogDir {user, node, vhostId} =
304 String.concat [Config.Apache.realLogDirOf user,
305 "/",
306 node,
307 "/",
308 vhostId]
309
310 val () = Slave.registerFileHandler (fn fs =>
311 let
312 val spl = OS.Path.splitDirFile (#file fs)
313 in
314 if String.isSuffix ".vhost" (#file spl)
315 orelse String.isSuffix ".vhost_ssl" (#file spl) then let
316 val realVhostFile = OS.Path.joinDirFile
317 {dir = Config.Apache.confDir,
318 file = #file spl}
319
320 val user = findVhostUser (#file fs)
321 val oldUser = case #action fs of
322 Slave.Delete false => user
323 | _ => findVhostUser realVhostFile
324 in
325 if (oldUser = NONE andalso #action fs <> Slave.Add)
326 orelse (user = NONE andalso not (Slave.isDelete (#action fs))) then
327 print ("Can't find user in " ^ #file fs ^ " or " ^ realVhostFile ^ "! Taking no action.\n")
328 else
329 let
330 val vhostId = if OS.Path.ext (#file spl) = SOME "vhost_ssl" then
331 OS.Path.base (#file spl) ^ ".ssl"
332 else
333 OS.Path.base (#file spl)
334
335 fun realLogDir user =
336 logDir {user = valOf user,
337 node = Slave.hostname (),
338 vhostId = vhostId}
339
340 fun backupLogs () =
341 OS.Path.joinDirFile
342 {dir = Config.Apache.backupLogDirOf
343 (isVersion1 (Slave.hostname ())),
344 file = vhostId}
345 in
346 vhostsChanged := true;
347 case #action fs of
348 Slave.Delete _ =>
349 let
350 val ldir = realLogDir oldUser
351 val dlm = !delayedLogMoves
352 in
353 if !logDeleted then
354 ()
355 else
356 ((*ignore (OS.Process.system (down ()));*)
357 ignore (OS.Process.system (fixperms ()));
358 logDeleted := true);
359 ignore (OS.Process.system (Config.rm
360 ^ " -rf "
361 ^ realVhostFile));
362 delayedLogMoves := (fn () => (dlm ();
363 Slave.moveDirCreate {from = ldir,
364 to = backupLogs ()}))
365 end
366 | Slave.Add =>
367 let
368 val rld = realLogDir user
369 in
370 ignore (OS.Process.system (Config.cp
371 ^ " "
372 ^ #file fs
373 ^ " "
374 ^ realVhostFile));
375 if Posix.FileSys.access (rld, []) then
376 ()
377 else
378 Slave.moveDirCreate {from = backupLogs (),
379 to = rld}
380 end
381
382 | _ =>
383 (ignore (OS.Process.system (Config.cp
384 ^ " "
385 ^ #file fs
386 ^ " "
387 ^ realVhostFile));
388 if user <> oldUser then
389 let
390 val old = realLogDir oldUser
391 val rld = realLogDir user
392
393 val dlm = !delayedLogMoves
394 in
395 if !logDeleted then
396 ()
397 else
398 ((*ignore (OS.Process.system (down ()));*)
399 logDeleted := true);
400 delayedLogMoves := (fn () => (dlm ();
401 ignore (OS.Process.system (Config.rm
402 ^ " -rf "
403 ^ realLogDir oldUser))));
404 if Posix.FileSys.access (rld, []) then
405 ()
406 else
407 Slave.mkDirAll rld
408 end
409 else
410 ())
411 end
412 end
413 else
414 ()
415 end)
416
417 val () = Slave.registerPostHandler
418 (fn () =>
419 (if !vhostsChanged then
420 (Slave.shellF ([reload ()],
421 fn cl => "Error reloading Apache with " ^ cl);
422 if !logDeleted then !delayedLogMoves () else ())
423 else
424 ()))
425
426 val vhostFiles : (string * TextIO.outstream) list ref = ref []
427 fun write' s = app (fn (node, file) => TextIO.output (file, s node)) (!vhostFiles)
428 fun write s = app (fn (_, file) => TextIO.output (file, s)) (!vhostFiles)
429
430 val rewriteEnabled = ref false
431 val localRewriteEnabled = ref false
432 val expiresEnabled = ref false
433 val localExpiresEnabled = ref false
434 val currentVhost = ref ""
435 val currentVhostId = ref ""
436 val sslEnabled = ref false
437
438 val pre = ref (fn _ : {user : string, nodes : string list, id : string, hostname : string} => ())
439 fun registerPre f =
440 let
441 val old = !pre
442 in
443 pre := (fn x => (old x; f x))
444 end
445
446 val post = ref (fn () => ())
447 fun registerPost f =
448 let
449 val old = !post
450 in
451 post := (fn () => (old (); f ()))
452 end
453
454 fun doPre x = !pre x
455 fun doPost () = !post ()
456
457 val aliaser = ref (fn _ : string => ())
458 fun registerAliaser f =
459 let
460 val old = !aliaser
461 in
462 aliaser := (fn x => (old x; f x))
463 end
464
465 fun vhostPost () = (!post ();
466 write "</VirtualHost>\n";
467 app (TextIO.closeOut o #2) (!vhostFiles))
468
469 val php_version = fn (EVar "php5", _) => SOME 5
470 | (EVar "fast_php", _) => SOME 6
471 | _ => NONE
472
473 fun vhostBody (env, makeFullHost) =
474 let
475 val places = Env.env (Env.list webPlace) (env, "WebPlaces")
476
477 val ssl = Env.env ssl (env, "SSL")
478 val user = Env.env Env.string (env, "User")
479 val group = Env.env Env.string (env, "Group")
480 val docroot = Env.env Env.string (env, "DocumentRoot")
481 val sadmin = Env.env Env.string (env, "ServerAdmin")
482 val suexec = Env.env Env.bool (env, "SuExec")
483 val php = Env.env php_version (env, "PhpVersion")
484
485 val fullHost = makeFullHost (Domain.currentDomain ())
486 val vhostId = fullHost ^ (if Option.isSome ssl then ".ssl" else "")
487 val confFile = fullHost ^ (if Option.isSome ssl then ".vhost_ssl" else ".vhost")
488 in
489 currentVhost := fullHost;
490 currentVhostId := vhostId;
491 sslEnabled := Option.isSome ssl;
492
493 rewriteEnabled := false;
494 localRewriteEnabled := false;
495 expiresEnabled := false;
496 localExpiresEnabled := false;
497 vhostFiles := map (fn (node, ip) =>
498 let
499 val file = Domain.domainFile {node = node,
500 name = confFile}
501
502 val ld = logDir {user = user, node = node, vhostId = vhostId}
503 in
504 TextIO.output (file, "# Owner: ");
505 TextIO.output (file, user);
506 TextIO.output (file, "\n<VirtualHost ");
507 TextIO.output (file, ip);
508 TextIO.output (file, ":");
509 TextIO.output (file, case ssl of
510 SOME _ => "443"
511 | NONE => "80");
512 TextIO.output (file, ">\n");
513 TextIO.output (file, "\tErrorLog ");
514 TextIO.output (file, ld);
515 TextIO.output (file, "/error.log\n\tCustomLog ");
516 TextIO.output (file, ld);
517 TextIO.output (file, "/access.log combined\n");
518 TextIO.output (file, "\tServerName ");
519 TextIO.output (file, fullHost);
520 app
521 (fn dom => (TextIO.output (file, "\n\tServerAlias ");
522 TextIO.output (file, makeFullHost dom)))
523 (Domain.currentAliasDomains ());
524
525 if suexec then
526 if isVersion1 node then
527 (TextIO.output (file, "\n\tUser ");
528 TextIO.output (file, user);
529 TextIO.output (file, "\n\tGroup ");
530 TextIO.output (file, group))
531 else
532 (TextIO.output (file, "\n\tSuexecUserGroup ");
533 TextIO.output (file, user);
534 TextIO.output (file, " ");
535 TextIO.output (file, group);
536 TextIO.output (file, "\n\tsuPHP_UserGroup ");
537 TextIO.output (file, user);
538 TextIO.output (file, " ");
539 TextIO.output (file, group))
540 else
541 ();
542
543 if isWaklog node then
544 (TextIO.output (file, "\n\tWaklogEnabled on\n\tWaklogLocationPrincipal ");
545 TextIO.output (file, user);
546 TextIO.output (file, "/daemon@HCOOP.NET /etc/keytabs/user.daemon/");
547 TextIO.output (file, user))
548 else
549 ();
550
551 TextIO.output (file, "\n\tDAVLockDB /var/lock/apache2/dav/");
552 TextIO.output (file, user);
553 TextIO.output (file, "/DAVLock");
554
555 if php = Config.Apache.defaultPhpVersion
556 then
557 ()
558 else if php = 6
559 then
560 (* fastcgi php 5.6 since 6 doesn't exist *)
561 (TextIO.output (file, "\n\tAddHandler fcgid-script .php .phtml");
562 TextIO.output (file, "\n\tFcgidWrapper \"");
563 TextIO.output (file, Config.Apache.fastCgiWrapperOf user);
564 TextIO.output (file, " ");
565 TextIO.output (file, Config.Apache.phpFastCgiWrapper);
566 TextIO.output (file, "\""))
567 else
568 (TextIO.output (file, "\n\tAddHandler x-httpd-php");
569 TextIO.output (file, Int.toString php);
570 TextIO.output (file, " .php .phtml"));
571 (ld, file)
572 end)
573 places;
574 write "\n\tDocumentRoot ";
575 write docroot;
576 write "\n\tServerAdmin ";
577 write sadmin;
578 case ssl of
579 SOME cert =>
580 (write "\n\tSSLEngine on\n\tSSLCertificateFile ";
581 write cert)
582 | NONE => ();
583 write "\n";
584 !pre {user = user, nodes = map #1 places, id = vhostId, hostname = fullHost};
585 app (fn dom => !aliaser (makeFullHost dom)) (Domain.currentAliasDomains ())
586 end
587
588 val () = Env.containerV_one "vhost"
589 ("host", Env.string)
590 (fn (env, host) => vhostBody (env, fn dom => host ^ "." ^ dom),
591 vhostPost)
592
593 val () = Env.containerV_none "vhostDefault"
594 (fn env => vhostBody (env, fn dom => dom),
595 vhostPost)
596
597 val inLocal = ref false
598
599 val () = Env.container_one "location"
600 ("prefix", Env.string)
601 (fn prefix =>
602 (write "\t<Location ";
603 write prefix;
604 write ">\n";
605 inLocal := true),
606 fn () => (write "\t</Location>\n";
607 inLocal := false;
608 localRewriteEnabled := false;
609 localExpiresEnabled := false))
610
611 val () = Env.container_one "directory"
612 ("directory", Env.string)
613 (fn directory =>
614 (write "\t<Directory ";
615 write directory;
616 write ">\n";
617 inLocal := true),
618 fn () => (write "\t</Directory>\n";
619 inLocal := false;
620 localRewriteEnabled := false;
621 localExpiresEnabled := false))
622
623 val () = Env.container_one "filesMatch"
624 ("regexp", Env.string)
625 (fn prefix =>
626 (write "\t<FilesMatch \"";
627 write prefix;
628 write "\">\n"),
629 fn () => (write "\t</FilesMatch>\n";
630 localRewriteEnabled := false;
631 localExpiresEnabled := false))
632
633 fun checkRewrite () =
634 if !inLocal then
635 if !localRewriteEnabled then
636 ()
637 else
638 (write "\tRewriteEngine on\n";
639 localRewriteEnabled := true)
640 else if !rewriteEnabled then
641 ()
642 else
643 (write "\tRewriteEngine on\n";
644 rewriteEnabled := true)
645
646 fun checkExpires () =
647 if !inLocal then
648 if !localExpiresEnabled then
649 ()
650 else
651 (write "\tExpiresActive on\n";
652 localExpiresEnabled := true)
653 else if !expiresEnabled then
654 ()
655 else
656 (write "\tExpiresActive on\n";
657 expiresEnabled := true)
658
659 val () = Env.action_three "localProxyRewrite"
660 ("from", Env.string, "to", Env.string, "port", Env.int)
661 (fn (from, to, port) =>
662 (checkRewrite ();
663 write "\tRewriteRule\t\"";
664 write from;
665 write "\"\thttp://localhost:";
666 write (Int.toString port);
667 write "/";
668 write to;
669 write " [P]\n"))
670
671 val () = Env.action_four "expiresByType"
672 ("mime", Env.string, "base", interval_base, "num", Env.int, "inter", interval)
673 (fn (mime, base, num, inter) =>
674 (checkExpires ();
675 write "\tExpiresByType\t\"";
676 write mime;
677 write "\"\t\"";
678 write base;
679 write " plus ";
680 if num < 0 then
681 (write "-";
682 write (Int.toString (~num)))
683 else
684 write (Int.toString num);
685 write " ";
686 write inter;
687 write "\"\n"))
688
689 val () = Env.action_two "proxyPass"
690 ("from", Env.string, "to", Env.string)
691 (fn (from, to) =>
692 (write "\tProxyPass\t";
693 write from;
694 write "\t";
695 write to;
696 write "\tretry=0\n"))
697
698 val () = Env.action_two "proxyPassReverse"
699 ("from", Env.string, "to", Env.string)
700 (fn (from, to) =>
701 (write "\tProxyPassReverse\t";
702 write from;
703 write "\t";
704 write to;
705 write "\n"))
706
707 val () = Env.action_one "proxyPreserveHost"
708 ("enable", Env.bool)
709 (fn (enable) =>
710 (write "\tProxyPreserveHost\t";
711 if enable then write "On" else write "Off";
712 write "\n"))
713
714 val () = Env.action_three "rewriteRule"
715 ("from", Env.string, "to", Env.string, "flags", Env.list flag)
716 (fn (from, to, flags) =>
717 (checkRewrite ();
718 write "\tRewriteRule\t\"";
719 write from;
720 write "\"\t\"";
721 write to;
722 write "\"";
723 case flags of
724 [] => ()
725 | flag::rest => (write " [";
726 write flag;
727 app (fn flag => (write ",";
728 write flag)) rest;
729 write "]");
730 write "\n"))
731
732 val () = Env.action_three "rewriteCond"
733 ("test", Env.string, "pattern", Env.string, "flags", Env.list cond_flag)
734 (fn (from, to, flags) =>
735 (checkRewrite ();
736 write "\tRewriteCond\t\"";
737 write from;
738 write "\"\t\"";
739 write to;
740 write "\"";
741 case flags of
742 [] => ()
743 | flag::rest => (write " [";
744 write flag;
745 app (fn flag => (write ",";
746 write flag)) rest;
747 write "]");
748 write "\n"))
749
750 val () = Env.action_one "rewriteBase"
751 ("prefix", Env.string)
752 (fn prefix =>
753 (checkRewrite ();
754 write "\tRewriteBase\t\"";
755 write prefix;
756 write "\"\n"))
757
758 val () = Env.action_one "rewriteLogLevel"
759 ("level", Env.int)
760 (fn level =>
761 (checkRewrite ();
762 write "\tRewriteLog ";
763 write' (fn x => x);
764 write "/rewrite.log\n\tRewriteLogLevel ";
765 write (Int.toString level);
766 write "\n"))
767
768 val () = Env.action_two "alias"
769 ("from", Env.string, "to", Env.string)
770 (fn (from, to) =>
771 (write "\tAlias\t";
772 write from;
773 write " ";
774 write to;
775 write "\n"))
776
777 val () = Env.action_two "scriptAlias"
778 ("from", Env.string, "to", Env.string)
779 (fn (from, to) =>
780 (write "\tScriptAlias\t";
781 write from;
782 write " ";
783 write to;
784 write "\n"))
785
786 val () = Env.action_two "errorDocument"
787 ("code", Env.string, "handler", Env.string)
788 (fn (code, handler) =>
789 let
790 val hasSpaces = CharVector.exists Char.isSpace handler
791
792 fun maybeQuote () =
793 if hasSpaces then
794 write "\""
795 else
796 ()
797 in
798 write "\tErrorDocument\t";
799 write code;
800 write " ";
801 maybeQuote ();
802 write handler;
803 maybeQuote ();
804 write "\n"
805 end)
806
807 val () = Env.action_one "options"
808 ("options", Env.list apache_option)
809 (fn opts =>
810 case opts of
811 [] => ()
812 | _ => (write "\tOptions";
813 app (fn opt => (write " "; write opt)) opts;
814 write "\n"))
815
816 val () = Env.action_one "set_options"
817 ("options", Env.list apache_option)
818 (fn opts =>
819 case opts of
820 [] => ()
821 | _ => (write "\tOptions";
822 app (fn opt => (write " +"; write opt)) opts;
823 write "\n"))
824
825 val () = Env.action_one "unset_options"
826 ("options", Env.list apache_option)
827 (fn opts =>
828 case opts of
829 [] => ()
830 | _ => (write "\tOptions";
831 app (fn opt => (write " -"; write opt)) opts;
832 write "\n"))
833
834 val () = Env.action_one "cgiExtension"
835 ("extension", Env.string)
836 (fn ext => (write "\tAddHandler cgi-script ";
837 write ext;
838 write "\n"))
839
840 val () = Env.action_one "directoryIndex"
841 ("filenames", Env.list Env.string)
842 (fn opts =>
843 (write "\tDirectoryIndex";
844 app (fn opt => (write " "; write opt)) opts;
845 write "\n"))
846
847 val () = Env.action_one "serverAliasHost"
848 ("host", Env.string)
849 (fn host =>
850 (write "\tServerAlias ";
851 write host;
852 write "\n";
853 !aliaser host))
854
855 val () = Env.action_one "serverAlias"
856 ("host", Env.string)
857 (fn host =>
858 (app
859 (fn dom =>
860 let
861 val full = host ^ "." ^ dom
862 in
863 write "\tServerAlias ";
864 write full;
865 write "\n";
866 !aliaser full
867 end)
868 (Domain.currentDomains ())))
869
870 val () = Env.action_none "serverAliasDefault"
871 (fn () =>
872 (app
873 (fn dom =>
874 (write "\tServerAlias ";
875 write dom;
876 write "\n";
877 !aliaser dom))
878 (Domain.currentDomains ())))
879
880 val authType = fn (EVar "basic", _) => SOME "basic"
881 | (EVar "digest", _) => SOME "digest"
882 | (EVar "kerberos", _) => SOME "kerberos"
883 | _ => NONE
884
885 fun allowAuthType "kerberos" = !sslEnabled
886 | allowAuthType _ = true
887
888 val () = Env.action_one "authType"
889 ("type", authType)
890 (fn ty =>
891 if allowAuthType ty then
892 (write "\tAuthType ";
893 write ty;
894 write "\n";
895 case ty of
896 "kerberos" =>
897 write "\tKrbServiceName apache2\n\tKrb5Keytab /etc/keytabs/service/apache\n\tKrbMethodNegotiate on\n\tKrbMethodK5Passwd on\n\tKrbVerifyKDC on\n\tKrbAuthRealms HCOOP.NET\n\tKrbSaveCredentials on\n"
898 | _ => ())
899 else
900 print "WARNING: Skipped Kerberos authType because this isn't an SSL vhost.\n")
901
902 val () = Env.action_one "authName"
903 ("name", Env.string)
904 (fn name =>
905 (write "\tAuthName \"";
906 write name;
907 write "\"\n"))
908
909 val () = Env.action_one "authUserFile"
910 ("file", Env.string)
911 (fn name =>
912 (write "\tAuthUserFile ";
913 write name;
914 write "\n"))
915
916 val () = Env.action_one "authGroupFile"
917 ("file", Env.string)
918 (fn name =>
919 (write "\tAuthGroupFile ";
920 write name;
921 write "\n"))
922
923 val () = Env.action_none "requireValidUser"
924 (fn () => write "\tRequire valid-user\n")
925
926 val () = Env.action_one "requireUser"
927 ("users", Env.list Env.string)
928 (fn names =>
929 case names of
930 [] => ()
931 | _ => (write "\tRequire user";
932 app (fn name => (write " "; write name)) names;
933 write "\n"))
934
935 val () = Env.action_one "requireGroup"
936 ("groups", Env.list Env.string)
937 (fn names =>
938 case names of
939 [] => ()
940 | _ => (write "\tRequire group";
941 app (fn name => (write " "; write name)) names;
942 write "\n"))
943
944 val () = Env.action_none "orderAllowDeny"
945 (fn () => write "\tOrder allow,deny\n")
946
947 val () = Env.action_none "orderDenyAllow"
948 (fn () => write "\tOrder deny,allow\n")
949
950 val () = Env.action_none "allowFromAll"
951 (fn () => write "\tAllow from all\n")
952
953 val () = Env.action_one "allowFrom"
954 ("entries", Env.list Env.string)
955 (fn names =>
956 case names of
957 [] => ()
958 | _ => (write "\tAllow from";
959 app (fn name => (write " "; write name)) names;
960 write "\n"))
961
962 val () = Env.action_none "denyFromAll"
963 (fn () => write "\tDeny from all\n")
964
965 val () = Env.action_one "denyFrom"
966 ("entries", Env.list Env.string)
967 (fn names =>
968 case names of
969 [] => ()
970 | _ => (write "\tDeny from";
971 app (fn name => (write " "; write name)) names;
972 write "\n"))
973
974 val () = Env.action_none "satisfyAll"
975 (fn () => write "\tSatisfy all\n")
976
977 val () = Env.action_none "satisfyAny"
978 (fn () => write "\tSatisfy any\n")
979
980 val () = Env.action_one "forceType"
981 ("type", Env.string)
982 (fn ty => (write "\tForceType ";
983 write ty;
984 write "\n"))
985
986 val () = Env.action_none "forceTypeOff"
987 (fn () => write "\tForceType None\n")
988
989 val () = Env.action_two "action"
990 ("what", Env.string, "how", Env.string)
991 (fn (what, how) => (write "\tAction ";
992 write what;
993 write " ";
994 write how;
995 write "\n"))
996
997 val () = Env.action_one "addDefaultCharset"
998 ("charset", Env.string)
999 (fn ty => (write "\tAddDefaultCharset ";
1000 write ty;
1001 write "\n"))
1002
1003 (*val () = Env.action_one "davSvn"
1004 ("path", Env.string)
1005 (fn path => (write "\tDAV svn\n\tSVNPath ";
1006 write path;
1007 write "\n"))
1008
1009 val () = Env.action_one "authzSvnAccessFile"
1010 ("path", Env.string)
1011 (fn path => (write "\tAuthzSVNAccessFile ";
1012 write path;
1013 write "\n"))*)
1014
1015 val () = Env.action_none "davFilesystem"
1016 (fn path => write "\tDAV filesystem\n")
1017
1018 val () = Env.action_two "addDescription"
1019 ("description", Env.string, "patterns", Env.list Env.string)
1020 (fn (desc, pats) =>
1021 case pats of
1022 [] => ()
1023 | _ => (write "\tAddDescription \"";
1024 write (String.toString desc);
1025 write "\"";
1026 app (fn pat => (write " "; write pat)) pats;
1027 write "\n"))
1028
1029 val () = Env.action_two "addIcon"
1030 ("icon", Env.string, "patterns", Env.list Env.string)
1031 (fn (icon, pats) =>
1032 case pats of
1033 [] => ()
1034 | _ => (write "\tAddIcon \"";
1035 write icon;
1036 write "\"";
1037 app (fn pat => (write " "; write pat)) pats;
1038 write "\n"))
1039
1040 val () = Env.action_one "indexOptions"
1041 ("options", Env.list autoindex_option)
1042 (fn opts =>
1043 case opts of
1044 [] => ()
1045 | _ => (write "\tIndexOptions";
1046 app (fn (opt, arg) =>
1047 (write " ";
1048 write opt;
1049 Option.app (fn arg =>
1050 (write "="; write arg)) arg)) opts;
1051 write "\n"))
1052
1053 val () = Env.action_one "indexIgnore"
1054 ("patterns", Env.list Env.string)
1055 (fn pats =>
1056 case pats of
1057 [] => ()
1058 | _ => (write "\tIndexIgnore";
1059 app (fn pat => (write " "; write pat)) pats;
1060 write "\n"))
1061
1062 val () = Env.action_one "set_indexOptions"
1063 ("options", Env.list autoindex_option)
1064 (fn opts =>
1065 case opts of
1066 [] => ()
1067 | _ => (write "\tIndexOptions";
1068 app (fn (opt, arg) =>
1069 (write " +";
1070 write opt;
1071 Option.app (fn arg =>
1072 (write "="; write arg)) arg)) opts;
1073 write "\n"))
1074
1075 val () = Env.action_one "unset_indexOptions"
1076 ("options", Env.list autoindex_option)
1077 (fn opts =>
1078 case opts of
1079 [] => ()
1080 | _ => (write "\tIndexOptions";
1081 app (fn (opt, _) =>
1082 (write " -";
1083 write opt)) opts;
1084 write "\n"))
1085
1086 val () = Env.action_one "headerName"
1087 ("name", Env.string)
1088 (fn name => (write "\tHeaderName ";
1089 write name;
1090 write "\n"))
1091
1092 val () = Env.action_one "readmeName"
1093 ("name", Env.string)
1094 (fn name => (write "\tReadmeName ";
1095 write name;
1096 write "\n"))
1097
1098 val () = Env.action_two "setEnv"
1099 ("key", Env.string, "value", Env.string)
1100 (fn (key, value) => (write "\tSetEnv \"";
1101 write key;
1102 write "\" \"";
1103 write (String.translate (fn #"\"" => "\\\""
1104 | ch => str ch) value);
1105 write "\"\n"))
1106
1107 val () = Env.action_one "diskCache"
1108 ("path", Env.string)
1109 (fn path => (write "\tCacheEnable disk \"";
1110 write path;
1111 write "\"\n"))
1112
1113 val () = Env.action_one "phpVersion"
1114 ("version", php_version)
1115 (fn version => (write "\tAddHandler x-httpd-php";
1116 write (Int.toString version);
1117 write " .php .phtml\n"))
1118
1119 val () = Env.action_two "addType"
1120 ("mime type", Env.string, "extension", Env.string)
1121 (fn (mt, ext) => (write "\tAddType ";
1122 write mt;
1123 write " ";
1124 write ext;
1125 write "\n"))
1126
1127 val filter = fn (EVar "includes", _) => SOME "INCLUDES"
1128 | (EVar "deflate", _) => SOME "DEFLATE"
1129 | _ => NONE
1130
1131 val () = Env.action_two "addOutputFilter"
1132 ("filters", Env.list filter, "extensions", Env.list Env.string)
1133 (fn (f :: fs, exts as (_ :: _)) =>
1134 (write "\tAddOutputFilter ";
1135 write f;
1136 app (fn f => (write ";"; write f)) fs;
1137 app (fn ext => (write " "; write ext)) exts;
1138 write "\n")
1139 | _ => ())
1140
1141 val () = Env.action_one "sslCertificateChainFile"
1142 ("ssl_cacert_path", Env.string)
1143 (fn cacert =>
1144 if !sslEnabled then
1145 (write "\tSSLCertificateChainFile \"";
1146 write cacert;
1147 write "\"\n")
1148 else
1149 print "WARNING: Skipped sslCertificateChainFile because this isn't an SSL vhost.\n")
1150
1151 val () = Domain.registerResetLocal (fn () =>
1152 ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.Apache.confDir ^ "/*")))
1153
1154 val () = Domain.registerDescriber (Domain.considerAll
1155 [Domain.Extension {extension = "vhost",
1156 heading = fn host => "Web vhost " ^ host ^ ":"},
1157 Domain.Extension {extension = "vhost_ssl",
1158 heading = fn host => "SSL web vhost " ^ host ^ ":"}])
1159
1160 val () = Env.action_one "allowEncodedSlashes"
1161 ("enable", Env.bool)
1162 (fn enable => (write "\tAllowEncodedSlashes ";
1163 write (if enable then "NoDecode" else "Off");
1164 write "\n"))
1165 val () = Env.action_none "testNoHtaccess"
1166 (fn path => write "\tAllowOverride None\n")
1167
1168 fun writeWaklogUserFile () =
1169 let
1170 val users = Acl.users ()
1171 val outf = TextIO.openOut Config.Apache.waklogUserFile
1172 in
1173 app (fn user => if String.isSuffix "_admin" user then
1174 ()
1175 else
1176 (TextIO.output (outf, "<Location /~");
1177 TextIO.output (outf, user);
1178 TextIO.output (outf, ">\n\tWaklogEnabled on\n\tWaklogLocationPrincipal ");
1179 TextIO.output (outf, user);
1180 TextIO.output (outf, "/daemon@HCOOP.NET /etc/keytabs/user.daemon/");
1181 TextIO.output (outf, user);
1182 TextIO.output (outf, "\n</Location>\n\n"))) users;
1183 TextIO.closeOut outf
1184 end
1185
1186 val () = Domain.registerOnUsersChange writeWaklogUserFile
1187
1188 end
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